Overview
What is Grammarly?
Grammarly is the world's most widely used AI writing assistant with 30M+ daily active users. Beyond grammar and spelling, GrammarlyGO offers generative AI for tone adjustment, sentence rewriting, content summarization, and full text generation. The Pro plan at $12/mo (annual) includes 1,000 AI prompts and advanced style suggestions. Ranked #1 AI Writing Assistant on G2 Winter 2026.
Features
Key Features
Real-time grammar, spelling, and punctuation corrections
GrammarlyGO generative AI with 1,000 prompts/mo (Pro)
Tone detection and adjustment suggestions
Full-sentence rewrites for clarity and conciseness
Plagiarism detection against 16B+ web pages
Browser extension, desktop app, and mobile keyboard
Style guide enforcement for teams
Works across 500,000+ apps and websites
Analysis
Pros & Cons
Pros
- #1 AI Writing Assistant on G2 Winter 2026 Grid Report
- 4.7 stars from 13,187 G2 reviews is unmatched social proof
- Works everywhere: browser, desktop, mobile, Google Docs
- GrammarlyGO adds generative AI without switching tools
- Free tier with 100 AI prompts/mo is genuinely useful
Cons
- Can alter original meaning when auto-correcting
- Pro at $30/mo monthly billing is expensive
- Enterprise pricing is quote-based and opaque
- Expert review feature was discontinued in March 2026
Pricing
Pricing
$12/mo(free tier available)
freemium model
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